------------[ cut here ]------------ WARNING: CPU: 1 PID: 5423 at mm/page_alloc.c:4735 __alloc_pages+0x338/0x660 mm/page_alloc.c:4735 Modules linked in: CPU: 1 PID: 5423 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller-13027-g1a5304fecee5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:__alloc_pages+0x338/0x660 mm/page_alloc.c:4735 Code: 8b 1c 24 0f 85 fd 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ed 00 00 00 c6 05 74 a9 88 0c 01 <0f> 0b 83 fb 0a 0f 86 9b fd ff ff 45 31 ed 48 c7 44 24 20 0e 36 e0 RSP: 0018:ffffc9000557f9e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000014 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000557fa68 RBP: ffffc9000557fb00 R08: dffffc0000000000 R09: 0000000000000000 R10: ffffc9000557fa40 R11: dffffc0000000001 R12: 1ffff92000aaff44 R13: 0000000000040d40 R14: dffffc0000000000 R15: 1ffff92000aaff40 FS: 00007f4f99e5d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000071386000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1107 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0x117/0x220 mm/slab_common.c:979 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:680 [inline] v9fs_fid_get_acl+0x4f/0xf0 fs/9p/acl.c:32 __v9fs_get_acl fs/9p/acl.c:66 [inline] v9fs_get_acl+0x12a/0x340 fs/9p/acl.c:93 v9fs_mount+0x954/0xc30 fs/9p/vfs_super.c:183 legacy_get_tree+0xeb/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1510 do_new_mount+0x28b/0xad0 fs/namespace.c:3039 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4f9908c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4f99e5d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f4f991abf80 RCX: 00007f4f9908c0f9 RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f4f990e7b39 R08: 0000000020000140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3adc8adf R14: 00007f4f99e5d300 R15: 0000000000022000